Update, 11:12 a.m. -- State police have opened up the westbound lanes of the Thruway from Exit 39. Traffic is now flowing in both directions.

Update, 10:20 a.m. -- Troopers on the New York Thruway say the eastbound lanes near the Weedsport interchange are now open. Traffic on westbound lanes are exiting at Exit 39.

Weedsport, NY -- A tractor-trailer truck carrying garbage has overturned on the New York State Thruway, blocking travel in both directions, according to the state police.

The tractor-trailer overturned while traveling westbound on the highway about 9:20 a.m. in a construction zone near the Weedsport exit. The wreck blocked both westbound lanes while the truck's contents spilled and blocked the eastbound lanes.